Home / 90,909.04-136,213.20-46,474.67

Finding the Fourth Proportional to 90,909.04, 136,213.20 and 46,474.67

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Solution

The fourth proportional to 90,909.04, 136,213.20 and 46,474.67 is: 69,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,909.04 : 136,213.20 = 46,474.67 : x
  2. Step 2: Convert to fraction form
    90,909.04/136,213.20 = 46,474.67/x
  3. Step 3: Cross multiply
    90,909.04x = 136,213.20 × 46,474.67
  4. Step 4: Simplify right side
    90,909.04x = 6,330,462,722.39
  5. Step 5: Solve for x
    x = 6,330,462,722.39/90,909.04
  6. Step 6: Final answer
    x = 69,635.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.